Unit test that would previously deadlock.

pola-rs · Oct 22, 2024 · bfc9488 · bfc9488
1 parent e8cfa44
commit bfc9488
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/py-polars/tests/unit/dataframe/test_getitem.py b/py-polars/tests/unit/dataframe/test_getitem.py
@@ -479,3 +479,9 @@ def test_df_getitem_5343() -> None:
     assert df[4, 5] == 1024
     assert_frame_equal(df[4, [2]], pl.DataFrame({"foo2": [16]}))
     assert_frame_equal(df[4, [5]], pl.DataFrame({"foo5": [1024]}))
+
+
+def test_no_deadlock_19358():
+    s = pl.Series(["text"] * 100 + [1] * 100, dtype=pl.Object)
+    result = s.to_frame()[[0, -1]]
+    assert result[""].to_list() == ["text", 1]